Auxiliary endoscope suction device and method for neuroendoscopy

Abstract

The present invention discloses an auxiliary endoscope holding and suction device for a neuroendoscope, comprising: a handle for holding, a finger hole for placing a finger on one side of the handle, a hollow tube for inserting the neuroendoscope lens vertically embedded on the other side, a slot for clamping an aspirator and a spring located below the slot for supporting the slot and adjusting the position of the slot by telescoping, an adjustment ring for adjusting the tightness of the hollow tube embedded inside the joint between the lower end of the hollow tube and the handle. The device has the characteristics of being easy to use, low in price, simple to operate, and highly practical, and can realize stable holding of the endoscope with one hand and flexible suction at the same time, so that the operator can complete key surgical operations without the help of an assistant, thereby improving surgical efficiency and safety and saving medical resources. In addition, there is no need to change the design of the existing endoscope and aspirator, and it can be installed and used in addition to the original surgical instruments.

Description

Technical Field

[0001] The present invention belongs to the technical field of medical devices and relates to an auxiliary endoscope holding and suction device and method for neuroendoscope. Background Art

[0002] Neuroendoscopic surgery is less invasive and the light source can be placed near the surgical area, resulting in good lighting effects and no need for repeated focusing. The intraoperative image resolution is high, allowing for panoramic and close-up observations, as well as high-definition observations of surrounding anatomical structures, which is beneficial for distinguishing the boundary between lesions and normal tissue structures (Neuroendoscopic Technology Clinical Application Expert Consensus Writing Group. Chinese Expert Consensus on Neuroendoscopic Surgery for the Treatment of Ventricular and Cistern System Diseases [J]. Chinese Journal of Neurosurgery, 2016, 32(8): 757-766. DOI: 10.3760 / cmaj.issn.1001-2346.2016.08.001.). At present, neuroendoscopic technology has developed rapidly in neurosurgery. It has not only made great progress in the treatment of traditional ventricular and skull base diseases, but has also been widely used and recognized in many neurosurgery fields, such as various cerebral hemorrhages including intraparenchymal hematomas (Chen Xinghe, Feng Sanping, Han Zhiguang, et al. Analysis of the efficacy of neuroendoscopic removal of hypertensive basal ganglia hemorrhage via the frontal approach [J]. Hebei Medicine, 2018, 40(21): 3292-3295. DOI: 10.3969 / j.issn.1002-7386.2018.21.022.), brain tumors such as pineal region tumors (Wang Hongzhang, Zhang Xiaobiao, Gu Ye, et al. Neuroendoscopic resection of pineal region tumors via the infratentorial supracerebellar approach [J]. Chinese Journal of Neurosurgery, 2017, 33(1): 12-14. DOI: 10. 3760 / cmaj.issn.1001-2346.2017.01.004.), microvascular decompression (Xiang Hui, Leng Jingxing, Liu Runen. Clinical study of neuroendoscopic-assisted microvascular decompression [J]. Chongqing Medicine, 2018, 47(31): 3991-3993, 3997.DOI: 10.3969 / j.issn.1671-8348.2018.31.007.), nerve decompression (Su Jiahao, Lin Shaohua, Wang Hui, et al. Meta-analysis of the efficacy of craniotomy and endoscopic optic nerve decompression [J]. Chinese Journal of Modern Medicine, 2018, 28(27): 64-70.DOI: 10.3969 / j.issn.1005-8982.2018.27.012.), etc.

[0003] Endoscopic working conditions require the presence of an operating channel and a cavity, through which the endoscope passes. The cavity can exist naturally, or be caused by disease or surgery. The cavity must have sufficient space to ensure that the endoscope can observe the surrounding structures and perform surgical operations safely and effectively (Neuroendoscopic Technology Clinical Application Expert Consensus Writing Group. Chinese Expert Consensus on Neuroendoscopic Surgery for the Treatment of Ventricular and Cisternal System Diseases [J]. Chinese Journal of Neurosurgery, 2016, 32(8): 757-766. DOI: 10.3760 / cmaj.issn.1001-2346.2016.08.001.). In the past, endoscopes mainly played an auxiliary observation role, and a single person could operate with a single endoscope. With the development of technology and the gradual expansion of its application scope, the current mainstream practice is a "two-person four-handed" operation by the surgeon and assistant, with the assistant holding the endoscope and flushing, and the surgeon holding the instruments and operating. This surgical method requires the surgeon and assistant to have sufficient professional knowledge and endoscopic training, and to work closely together to perfectly perform the surgery.

[0004] The development of technology is a process of "from simple to complex and back again." To improve surgical efficiency and avoid unnecessary injuries, some foreign professors are currently experimenting with a surgical method that uses a single hand to hold both an endoscope and an aspirator, figuratively called the "chopstick technique." In theory, this technique does not require the cooperation of an assistant, and a single person can perfectly perform the surgery, greatly reducing the surgical risks caused by coordination errors. However, this technique is much more difficult than using chopsticks. One hand must maintain the stability of the endoscope while also having the flexibility of the aspirator, allowing the aspirator to be used at any time in conjunction with instruments in the other hand according to the intraoperative situation. Because the vast majority of neurosurgeons are right-handed and use the endoscope and instruments with their left hand, the high flexibility required in the left hand limits the use of this technique.

[0005] Existing endoscopes and suction devices are often separated, requiring one person to hold both instruments, which is quite difficult. Simply fixing the endoscope and suction device in place makes movement difficult and significantly reduces flexibility. Furthermore, redesigning an endoscope with a controllable suction channel would incur significant equipment upgrade costs. Summary of the Invention

[0006] In response to the above technical problems, the present invention aims to provide an auxiliary endoscope holding and suction device and method for neuroendoscopy, which can achieve stable single-handed endoscope holding and flexible suction, allowing the surgeon to complete key surgical operations without the help of an assistant, improving surgical efficiency and safety, and saving medical resources. The device is easy to use, low-cost, simple to operate, and highly practical. In particular, it does not require changes to the design of the existing endoscope and suction device. It can be installed and used in addition to the original surgical instruments, ensuring the stability of the endoscope while greatly increasing the flexibility of the suction device.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] An auxiliary endoscope holding and suction device for a neuroendoscope comprises: a handle for holding, a finger hole for placing fingers on one side of the handle, and a hollow tube for inserting the neuroendoscope lens vertically embedded on the other side, a card slot for clamping an aspirator and a spring located below the card slot for supporting the card slot and adjusting the position of the card slot by telescoping, and an adjustment ring for adjusting the tightness of the hollow tube embedded inside the joint between the lower end of the hollow tube and the handle.

[0009] Preferably, the handle and the adjusting ring are provided with holes on the outside corresponding to each other and screws are installed on the holes. The inner wall of the hollow tube is provided with an annular groove, and an annular adjusting ring is slidably embedded in the annular groove. The annular adjusting ring is provided with a notch, and the adjusting ring adjusts the distance between the two ends of the notch by rotating the screw to adjust the tightness of the hollow tube.

[0010] More preferably, the screw is not removable from the hole.

[0011] Preferably, the slot comprises two horizontally spliced ​​lumens, wherein the wall of one lumen is closed to be sleeved on the outside of the hollow tube, and the wall of the other lumen away from the hollow tube is provided with a groove to clamp the suction device.

[0012] Preferably, the auxiliary endoscope suction device for neuroendoscopy further includes an adapter, the two ends of which are arranged at right angles, one end being used to connect to the suction head, and the other end being used to connect to the suction tube.

[0013] Preferably, the adapter is made of PI plastic.

[0014] Preferably, there are three finger holes, which are used from top to bottom for the index finger, middle finger and ring finger to pass through respectively.

[0015] Preferably, the handle is made of polyimide (PI) plastic, and the hollow tube, screw, adjustment ring, slot and spring are all made of stainless steel.

[0016] The present invention also provides a method for assisting neuroendoscopic suction using the above-mentioned assisting neuroendoscopic suction device, comprising:

[0017] 1) Sleeve the hollow tube onto the neuroendoscopic lens, and tighten the screws to fix the neuroendoscopic lens;

[0018] 2) fixing the aspirator on the hollow tube through the card slot;

[0019] 3) Insert the index finger, middle finger and ring finger of the non-working hand into the finger hole to control the neuroendoscope, place the neuroendoscope in the surgical channel, place the thumb of the non-working hand on the suction device, and place the suction device into the field of view of the neuroendoscope by moving the card slot up and down, and operate the working handheld instrument in coordination.

[0020] Furthermore, step 2) also includes first connecting the suction head to the adapter and then connecting it to the suction tube.

[0021] The present invention has the following beneficial effects:

[0022] Easy to use: sterilize with high-temperature and high-pressure steam before operation, and fix it on the neuroendoscope for use during operation.

[0023] Low Price: Stainless steel and PI plastic are inexpensive and can be sterilized and reused at high temperatures and high pressures. They do not contain any precision components, have a simple design, and are not easily damaged. They can be added to existing machinery without increasing the cost of equipment replacement.

[0024] Simple operation: It is easy to use. After installing the device, neurosurgeons who have received neuroendoscopy training can operate it proficiently after a simple experiment.

[0025] Strong practicality: It can solve the problem of the surgeon's difficulty in achieving both stability and flexibility when holding the endoscope and suction device with one hand during neuroendoscopic surgery without increasing additional training costs; it can solve the problem of poor coordination under two-person four-handed operation conditions, reduce surgical risks, and save medical resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The present invention is a schematic structural diagram of an auxiliary endoscope suction device for a neuroendoscope when in use.

[0027] Figure 2 This is an exploded view of the structure of an auxiliary endoscope suction device for a neuroendoscope according to the present invention.

[0028] Figure 3 The present invention is a bottom view of an auxiliary endoscope-holding suction device for a neuroendoscope.

[0029] Among them: 1-handle, 2-finger hole, 3-hollow tube, 4-slot, 41, 42-lumens, 5-spring, 6-adjustment ring, 7-neuroendoscopic lens, 71-endoscopic handle, 72-endoscopic light source interface, 8-suction device, 9-screw, 10-adapter. DETAILED DESCRIPTION

[0030] In order to enable the public to fully understand the technical essence and beneficial effects of the present invention, the applicant will describe the specific embodiments of the present invention in detail below with reference to the accompanying drawings. However, the applicant's description of the examples is not a limitation of the technical solution. Any changes in form rather than substance based on the concept of the present invention should be regarded as within the scope of protection of the present invention.

[0031] like Figure 1 and Figure 2 As shown, the auxiliary endoscope suction device provided by the present invention mainly includes: main components - handle 1 + hollow tube 3, accessories - slot 4 + spring 5 + adjustment ring 6 + screw 9, and optional accessories - adapter 10. The materials of the above components can be made of existing materials based on their respective functions. Among them:

[0032] The handle 1 for holding is in the shape of "[" as a whole and is preferably made of polyimide PI plastic. One side of the handle is provided with a finger hole 2 for placing the fingers, which is provided from top to bottom for the index finger, middle finger and ring finger to pass through. A block is provided between the three fingers. In this way, the device can be fully stable and flexibly controlled without the need for thumb grip;

[0033] A hollow tube 3 is vertically embedded in the other side of the handle 1. The hollow tube 3 is preferably made of stainless steel and is non-detachable. The tube can be used for the neuroendoscope lens 7 to pass through. The outer diameter of the tube is embedded with a spring 5 and a slot 4. An adjustment ring 6 is built in below the connection between the hollow tube 3 and the handle 1. A hole is left on the outside of the connection below the hollow tube 3 and the handle 1 for the screw 9 to enter.

[0034] The slot 4 is preferably made of stainless steel and is preferably formed by horizontally splicing two lumens. The lumen 41 on one side has a complete and smooth wall, is sleeved on the outside of the hollow tube 3, has a small diameter, and can only slide along the direction of the hollow tube 3 without displacement in other directions; the lumen 42 on the other side has a thin wall, good elasticity, and a slot for different specifications of the suction device 8 to be inserted, providing more options according to different needs during surgery;

[0035] The spring 5 is preferably made of stainless steel and has moderate elasticity. When the spring 5 is vertically stationary, it can ensure that the slot 4 is located at the top. During operation, the position of the slot 4 can be adjusted by gently moving the thumb. The spring elasticity should be moderate. While maintaining the normal rebound of the slot 4 in the rest state, the spring can be moved by gently moving the thumb in the functional state, and it will not lose its elasticity due to high temperature and high pressure.

[0036] An annular groove is provided on the inner wall of the hollow tube 3, and an annular adjustment ring is slidably embedded in the annular groove. The annular adjustment ring is not completely closed, but has a gap. When the external screw 9 is tightened, the adjustment ring is squeezed through the inner wall of the hollow tube 3, causing the adjustment ring to deform. The two ends of the gap of the adjustment ring slide close to each other in the groove, and the inner diameter of the adjustment ring is reduced, generating uniform pressure on the neuroendoscopic lens 7 in the hollow tube 3, so that the hollow tube 3 and the neuroendoscopic lens 7 are tightly fixed to avoid relative displacement during use. Figure 3 As shown in the figure, due to the high value of the neuroendoscope, this component simply uses one screw to fix the endoscope, but can provide 360° uniform pressure, increasing stability while avoiding damage to the endoscope.

[0037] The screw 9 is preferably made of stainless steel and can be rotated to adjust the tightness of the adjusting ring 6. The screw 9 is designed to be only loosened and cannot be disassembled to prevent it from accidentally falling into the patient's body during surgery and causing a serious accident.

[0038] The adapter 10 is an optional component, preferably made of PI plastic. One end is connected to the suction head and the other end is connected to the suction tube. The two can be formed into a right-angle relationship, which can prevent the suction head 8 and the endoscope light source line connected to the endoscope light source interface 72 and the endoscope handle 71 from touching and rubbing against each other and interfering with the surgical process.

[0039] How to use:

[0040] Assemble the main components - handle 1 + hollow tube 3, and accessories - slot 4 + spring 5 + adjustment ring 6 + screw 9, as shown in the figure. Figure 1 The combination is a [complete device], which cannot be disassembled. Only the screw 9 can be screwed, but it cannot be removed to prevent the risk of falling during the operation. Only the card slot 4 can slide. The [complete device] can be sterilized at high temperature and high pressure as a whole. When in use, the [complete device] is put on the neuroendoscopic lens 7 during the routine surgical steps. After tightening the screw 9 to fix it firmly, connect the suction head to the optional accessory - the adapter 10 and then connect it to the suction tube. Fix the connected suction device 8 on the [complete device] through the card slot 4. At this time, the neuroendoscopic lens 7 and the suction device are 8 is connected as one. The index finger, middle finger and ring finger of the left hand are inserted into the finger hole 2 of the handle 1 to control the stability of the neuroendoscopic lens 7 and adjust the depth and direction of the neuroendoscopic lens 7. Just like conventional surgery, the neuroendoscopic lens 7 is placed in the surgical channel, and the left thumb is placed on the suction device 8. The suction device 8 can be moved up and down to place the suction device 8 in the field of view of the neuroendoscopic lens 7. The depth of the suction device 8 can be adjusted by the thumb, and it can move forward, backward or rotate at the same time as the neuroendoscopic lens 7. In theory, full-field suction can be achieved, and the right hand holds the instrument for coordinated operation. After the operation, remove the suction device 8, unscrew the screw 9 to disconnect it from the neuroendoscopic lens 7, clean it, and sterilize it with high-temperature and high-pressure steam. It can be used for the next operation.

Claims

1. An auxiliary endoscope suction device for neuroendoscopy, comprising: A handle for holding, one side of the handle is provided with finger holes for placing fingers, the number of the finger holes is three, which are used for the index finger, middle finger and ring finger to pass through from top to bottom respectively, and the other side is vertically embedded with a hollow tube for inserting the neuroendoscopic lens, the hollow tube is provided with a card slot for clamping the suction device and a spring located below the card slot for supporting the card slot and adjusting the position of the card slot by telescoping, the card slot includes two horizontally spliced ​​lumens, the wall of one of the lumens is closed to be sleeved on the outside of the hollow tube, and can only slide along the direction of the hollow tube, and will not move in other directions. A groove is provided on the wall of the other tube cavity away from the hollow tube to clamp the suction device, and an adjustment ring for adjusting the tightness of the hollow tube is embedded in the interior of the joint between the lower end of the hollow tube and the handle, and holes are provided on the outside of the handle corresponding to the adjustment ring, and screws are installed on the holes, and the screws cannot be removed from the holes. An annular groove is provided on the inner wall of the hollow tube, and an annular adjustment ring is slidably embedded in the annular groove, and a notch is provided on the annular adjustment ring. The adjustment ring adjusts the distance between the two ends of the notch by rotating the screw to adjust the tightness of the hollow tube.

2. The auxiliary endoscope suction device for neuroendoscopy according to claim 1, characterized in that: The auxiliary endoscope suction device for neuroendoscopy also includes an adapter, the two ends of which are arranged at right angles, one end is used to connect to the suction head, and the other end is used to connect to the suction tube.

3. The auxiliary endoscope suction device for neuroendoscopy according to claim 2, characterized in that: The adapter is made of PI plastic.

4. The auxiliary endoscope suction device for neuroendoscopy according to claim 1, characterized in that: The handle is made of PI plastic, and the hollow tube, screw, adjustment ring, slot and spring are all made of stainless steel.

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